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Finding the Fourth Proportional to 483,394.20, 724,400.10 and 335,477.40

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Solution

The fourth proportional to 483,394.20, 724,400.10 and 335,477.40 is: 502,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,394.20 : 724,400.10 = 335,477.40 : x
  2. Step 2: Convert to fraction form
    483,394.20/724,400.10 = 335,477.40/x
  3. Step 3: Cross multiply
    483,394.20x = 724,400.10 × 335,477.40
  4. Step 4: Simplify right side
    483,394.20x = 243,019,862,107.74
  5. Step 5: Solve for x
    x = 243,019,862,107.74/483,394.20
  6. Step 6: Final answer
    x = 502,736.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.